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Changzhou Darun Steel Tube Co., Ltd. specializes in the production of OCTG, seamless steel tubes for boilers, structure and liquid according to standards ASTM, API 5CT, API5L (license no. 5CT-0704 and 5L-0520). |
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| steel pipe, steel tube, casing and tubing, line pipe, API tubing, drill pipe, OCTG, pipe, tube |
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| Company : |
Changzhou Darun Steel Tube Co., Ltd |
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Contact us |
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| Country : |
China |
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